γ-Ray Shielding Behaviors of Some Nuclear Engineering Materials

The essential requirement of a material to be used for engineering purposes at nuclear establishments is its ability to attenuate the most penetrating ionizing radiations, gamma (γ)-rays. Mostly, high-Z materials such as heavy concrete, lead, mercury, and their mixtures or alloys have been used in t...

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Main Author: Kulwinder Singh Mann
Format: Article
Language:English
Published: Elsevier 2017-06-01
Series:Nuclear Engineering and Technology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1738573317300402
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author Kulwinder Singh Mann
author_facet Kulwinder Singh Mann
author_sort Kulwinder Singh Mann
collection DOAJ
description The essential requirement of a material to be used for engineering purposes at nuclear establishments is its ability to attenuate the most penetrating ionizing radiations, gamma (γ)-rays. Mostly, high-Z materials such as heavy concrete, lead, mercury, and their mixtures or alloys have been used in the construction of nuclear establishments and thus termed as nuclear engineering materials (NEM). The NEM are classified into two categories, namely opaque and transparent, depending on their behavior towards the visible spectrum of EM waves. The majority of NEM are opaque. By contrast, various types of glass, which are transparent to visible light, are necessary at certain places in the nuclear establishments. In the present study, γ-ray shielding behaviors (GSB) of six glass samples (transparent NEM) were evaluated and compared with some opaque NEM in a wide range of energy (15 keV–15 MeV) and optical thickness (OT). The study was performed by computing various γ-ray shielding parameters (GSP) such as the mass attenuation coefficient, equivalent atomic number, and buildup factor. A self-designed and validated computer-program, the buildup factor-tool, was used for various computations. It has been established that some glass samples show good GSB, thus can safely be used in the construction of nuclear establishments in conjunction with the opaque NEM as well.
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spelling doaj.art-8894100ec2784edf9005cbe2f2b69af92022-12-21T17:32:08ZengElsevierNuclear Engineering and Technology1738-57332017-06-0149479280010.1016/j.net.2016.12.016γ-Ray Shielding Behaviors of Some Nuclear Engineering MaterialsKulwinder Singh MannThe essential requirement of a material to be used for engineering purposes at nuclear establishments is its ability to attenuate the most penetrating ionizing radiations, gamma (γ)-rays. Mostly, high-Z materials such as heavy concrete, lead, mercury, and their mixtures or alloys have been used in the construction of nuclear establishments and thus termed as nuclear engineering materials (NEM). The NEM are classified into two categories, namely opaque and transparent, depending on their behavior towards the visible spectrum of EM waves. The majority of NEM are opaque. By contrast, various types of glass, which are transparent to visible light, are necessary at certain places in the nuclear establishments. In the present study, γ-ray shielding behaviors (GSB) of six glass samples (transparent NEM) were evaluated and compared with some opaque NEM in a wide range of energy (15 keV–15 MeV) and optical thickness (OT). The study was performed by computing various γ-ray shielding parameters (GSP) such as the mass attenuation coefficient, equivalent atomic number, and buildup factor. A self-designed and validated computer-program, the buildup factor-tool, was used for various computations. It has been established that some glass samples show good GSB, thus can safely be used in the construction of nuclear establishments in conjunction with the opaque NEM as well.http://www.sciencedirect.com/science/article/pii/S1738573317300402Buildup FactorNuclear Engineering Materialsγ-Ray Shielding Behaviorsγ-Ray Shielding Parameters
spellingShingle Kulwinder Singh Mann
γ-Ray Shielding Behaviors of Some Nuclear Engineering Materials
Nuclear Engineering and Technology
Buildup Factor
Nuclear Engineering Materials
γ-Ray Shielding Behaviors
γ-Ray Shielding Parameters
title γ-Ray Shielding Behaviors of Some Nuclear Engineering Materials
title_full γ-Ray Shielding Behaviors of Some Nuclear Engineering Materials
title_fullStr γ-Ray Shielding Behaviors of Some Nuclear Engineering Materials
title_full_unstemmed γ-Ray Shielding Behaviors of Some Nuclear Engineering Materials
title_short γ-Ray Shielding Behaviors of Some Nuclear Engineering Materials
title_sort γ ray shielding behaviors of some nuclear engineering materials
topic Buildup Factor
Nuclear Engineering Materials
γ-Ray Shielding Behaviors
γ-Ray Shielding Parameters
url http://www.sciencedirect.com/science/article/pii/S1738573317300402
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